Bottom View - Asus F1 Series E-Manual

Bottom view

Built-in stand
This LED projector comes with a built-in stand that allows you
to adjust the height of the projector by either 5.7 degrees or
8.2 degrees.
Ceiling mount holes
Use these holes to connect the LED projector to a ceiling
mount.
Tripod socket
Connect the LED projector to a tripod using this socket.
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LED projector E-Manual